Where can i find flute loop by beastie boys sheet music for the flute?

Unfortunately, there is no sheet music for this song available online or in print. However, since Flute Loop is sampled extensively from James Brown's "Get Up (I Feel Like Being a) Sex Machine", you may be able to play the flute part as written for Get Up. You can find sheet music for this James Brown song in print (such as Hal Leonard HL08711870 James Brown - 20 All-Time Hits for Trumpet) and online.